Step 9 — Install External Condensate Trap and Line
The unit has one
CONDENSATE PAN (SIDE VIEW) |
| ALTERNATE | ||
STANDARD | DRAIN PLUG | |||
BOTTOM DRAIN | ||||
SIDE DRAIN | ||||
|
|
C08021
Fig. 13 - Condensate Drain Pan (Side View)
When using the standard side drain connection, ensure the red plug in the alternate bottom connection is tight. Do this before setting the unit in place. The red drain pan plug can be tightened with a
To use the alternate bottom drain connection, remove the red drain plug from the bottom connection (use a
The piping for the condensate drain and external trap can be completed after the unit is in place. See Fig. 14.
Step 10 — Make Electrical Connections
!WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Do not use gas piping as an electrical ground. Unit cabinet must have an uninterrupted, unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur. This ground may consist of electrical wire connected to unit ground lug in control compartment, or conduit approved for electrical ground when installed in accordance with NEC (National Electrical Code); ANSI/NFPA 70, latest edition (in Canada, Canadian Electrical Code CSA [Canadian Standards Association] C22.1), and local electrical codes.
NOTE: Check all factory and field electrical connections for tightness.
Field Power Supply —
If equipped with optional Powered Convenience Outlet: The power source leads to the convenience outlet’s transformer primary are not factory connected. Installer must connect these leads according to required operation of the convenience outlet. If an
551J
j
MINIMUM PITCH
1” (25mm) PER
10’ (3m) OF LINE
TO ROOF
DRAIN
BASE RAIL
2˝ (51) MIN
OPEN
VENT
SEE NOTE
ROOF
CURB
DRAIN PLUG
unit disconnect. On a unit without a
Refer to Fig. 19 for power transformer connections and the discussion on connecting the convenience outlet on page 12.
Field power wires are connected to the unit at
NOTE: Trap should be deep enough to offset maximum unit static difference. A 4” (102) trap is recommended.
C08022
Fig. 14 - Condensate Drain Piping Details
All units must have an external trap for condensate drainage. Install a trap at least
component arrangement) or at
NOTE: TEST LEADS - Unit may be equipped with short leads (pigtails) on the field line connection points on contactor C or optional disconnect switch. These leads are for factory
11